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JPL Small-Body Database Browser
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4556 Gumilyov (1987 QW10)
Classification: Main-belt Asteroid          SPK-ID: 2004556
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1446644174092679 2.9601e-08  
a 2.311095544642231 6.51e-09 au
q 1.976762254099408 6.7393e-08 au
i 4.752600938039955 3.3117e-06 deg
node 111.8489151340904 4.1109e-05 deg
peri 213.7083793449584 4.2858e-05 deg
M 131.6560882342995 1.2588e-05 deg
tp 2458531.185768704411
(2019-Feb-16.68576870)
4.4425e-05 TDB
period 1283.291380841708
3.51
5.4223e-06
1.485e-08
d
yr
n .2805286510721181 1.1853e-09 deg/d
Q 2.645428835185054 7.4518e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2394  
   data-arc span      14447 days (39.55 yr)  
   first obs. used      1980-10-05  
   last obs. used      2020-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48179  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 02:09:22  

Additional Information
 Earth MOID = .966645 au 
 Jupiter MOID = 2.65745 au 
 T_jup = 3.566 
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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO347559  
diameter diameter 5.224 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.282   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

4556 Gumilyov (1987 QW10)          Discovered 1987-Aug-27 by Karachkina, L. G. at Nauchnyj
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Alternate Designations
 1987 QW10 = 1980 TJ1 = 1984 YK3 = 1984 YR2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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